Flora of the Southeastern United States
2022 Edition

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LAMIACEAE

Pycnanthemum verticillatum (Michaux) Persoon. Whorled Mountain-mint. Phen: Jul-Sep. Hab: Upland rocky woodlands. Dist: P. verticillatum ranges from VT west to MI, south to NC and KY.

Origin/Endemic status: Native

Syn: = Ar, F, G, K4, Mi, Tn, Chambers & Hamer (1992), Grant & Epling (1943); = Pycnanthemum verticillatum var. verticillatum – C, K1, K3, NE, NY, Pa, Va; > Koellia leptodon – S; > Koellia verticillata – S; < Pycnanthemum verticillatum – Il, RAB, W

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© Gary P. Fleming

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© Emily Oglesby

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© Gary P. Fleming